ATE126719T1 - CATALYST AND CATALYTIC REDUCTION. - Google Patents

CATALYST AND CATALYTIC REDUCTION.

Info

Publication number
ATE126719T1
ATE126719T1 AT92915772T AT92915772T ATE126719T1 AT E126719 T1 ATE126719 T1 AT E126719T1 AT 92915772 T AT92915772 T AT 92915772T AT 92915772 T AT92915772 T AT 92915772T AT E126719 T1 ATE126719 T1 AT E126719T1
Authority
AT
Austria
Prior art keywords
pct
catalyst
titania
sec
catalytic reduction
Prior art date
Application number
AT92915772T
Other languages
German (de)
Inventor
Freek Kapteijn
Lydia Singoredjo
Original Assignee
British Tech Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Tech Group filed Critical British Tech Group
Application granted granted Critical
Publication of ATE126719T1 publication Critical patent/ATE126719T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B01J37/082—Decomposition and pyrolysis
    • B01J37/088—Decomposition of a metal salt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/30—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

PCT No. PCT/GB92/01312 Sec. 371 Date Apr. 14, 1994 Sec. 102(e) Date Apr. 14, 1994 PCT Filed Jul. 17, 1992 PCT Pub. No. WO93/02776 PCT Pub. Date Feb. 18, 1993.A catalyst for the selective reduction of nitric oxide NO in flue gas to nitrogen using ammonia NH3 comprises oxidatively heat treated manganese oxide loaded on a porous substrate of gamma-alumina or titania- or titania-/WO3-modified silica.
AT92915772T 1991-07-29 1992-07-17 CATALYST AND CATALYTIC REDUCTION. ATE126719T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91306928 1991-07-29

Publications (1)

Publication Number Publication Date
ATE126719T1 true ATE126719T1 (en) 1995-09-15

Family

ID=8208359

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92915772T ATE126719T1 (en) 1991-07-29 1992-07-17 CATALYST AND CATALYTIC REDUCTION.

Country Status (9)

Country Link
US (1) US5476828A (en)
JP (1) JPH06509273A (en)
AT (1) ATE126719T1 (en)
AU (1) AU2341292A (en)
CA (1) CA2112695A1 (en)
DE (1) DE69204291T2 (en)
GB (1) GB2272172B (en)
HU (1) HUT68783A (en)
ZA (1) ZA925375B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1894622B1 (en) * 2001-03-29 2012-03-14 Idemitsu Kosan Co., Ltd. Process for reforming a hydrocarbon
US7037875B2 (en) * 2003-04-04 2006-05-02 Engelhard Corporation Catalyst support
RU2372991C2 (en) * 2004-01-20 2009-11-20 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Method of regenerating catalytic activity of spent hydrogen processing catalyst, spent hydrogen processing catalyst with regenerated activity, and hydrogen processing method
KR101211600B1 (en) * 2010-11-19 2012-12-12 한국과학기술연구원 Apparatus and method for manufacturing manganese oxide-titania catalyst
WO2018224651A2 (en) 2017-06-09 2018-12-13 Basf Se Catalytic article and exhaust gas treatment systems
US11154847B2 (en) 2017-06-09 2021-10-26 Basf Corporation Catalytic article and exhaust gas treatment systems
JP2020536727A (en) 2017-10-12 2020-12-17 ビーエーエスエフ コーポレーション Combination of NOx absorber and SCR catalyst
JP7368351B2 (en) 2017-11-10 2023-10-24 ビーエーエスエフ コーポレーション Catalyzed soot filter with reduced ammonia oxidation
BR112020016802A2 (en) 2018-02-19 2020-12-15 Basf Corporation SYSTEM FOR TREATING AN EXHAUST GAS CHAIN FROM AN ENGINE AND METHOD FOR TREATING AN EXHAUST GAS CHAIN
KR20230143152A (en) 2021-02-02 2023-10-11 바스프 코포레이션 Exhaust gas treatment system for reducing ammonia emissions from automotive gasoline applications
WO2024133298A1 (en) 2022-12-21 2024-06-27 Basf Corporation Ammonia oxidation catalyst with zoned scr inlet and pgm outlet for gasoline applications
CN116510510B (en) * 2023-06-11 2023-09-26 连云港中星能源有限公司 Efficient energy-saving denitration process based on electric heating assistance

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279172A (en) * 1926-07-22 1927-10-24 Paul Stancliff Mccann Improvements in loaded conductors
US4003854A (en) * 1974-06-03 1977-01-18 Gennady Alexeevich Skvortsov Catalyst of supported vanadium oxide and manganese oxide and method of producing same
JPS5920383B2 (en) * 1977-06-08 1984-05-12 呉羽化学工業株式会社 NOx reduction catalyst with high activity at low temperatures
JPS56166943A (en) * 1980-05-27 1981-12-22 Babcock Hitachi Kk Preparation of catalyst for removing nitrogen oxides
GB8524544D0 (en) * 1985-10-04 1985-11-06 Shell Int Research Poly-metal containing catalyst
DE3778611D1 (en) * 1986-07-25 1992-06-04 Mitsubishi Petrochemical Co METHOD OF DENICKING NITROGEN OXIDE IN EXHAUST GAS.
GB8619536D0 (en) * 1986-08-11 1986-09-24 Shell Int Research Bimetallic catalyst
US4966882A (en) * 1987-06-05 1990-10-30 Babcock-Hitachi Kabushiki Kaisha Catalyst for denitration by catalytic reduction using ammonia and a process for producing the same

Also Published As

Publication number Publication date
GB9326160D0 (en) 1994-03-16
JPH06509273A (en) 1994-10-20
CA2112695A1 (en) 1993-01-30
DE69204291T2 (en) 1996-04-11
ZA925375B (en) 1993-04-28
GB2272172A (en) 1994-05-11
DE69204291D1 (en) 1995-09-28
GB2272172B (en) 1995-11-29
HUT68783A (en) 1995-05-17
HU9400254D0 (en) 1994-05-30
US5476828A (en) 1995-12-19
AU2341292A (en) 1993-03-02

Similar Documents

Publication Publication Date Title
MXPA01011203A (en) Process and device for the selective catalytic reduction of nitrogen oxides in oxygen-rich exhaust gas.
DK0600962T3 (en) Silvery Carrier Catalyst and Method for Catalytic Decomposition of Nitrogen Monoxide
ATE157278T1 (en) METHOD FOR THE SELECTIVE CATALYTIC REDUCTION OF NOX IN WATER VAPOR AND OXYGEN CONTAINING GASES
DE69205669D1 (en) Catalytic converter for cleaning exhaust gases.
ATE236704T1 (en) DIESEL ENGINE EXHAUST CATALYST AND METHOD OF USE
ATE126719T1 (en) CATALYST AND CATALYTIC REDUCTION.
DE50006915D1 (en) Process for the selective catalytic reduction of nitrogen oxides in exhaust gases containing oxygen
ATE112697T1 (en) PROCESS FOR REDUCING NITROUS OXIDES FROM EXHAUST GASES.
DE69204830D1 (en) Exhaust gas purification catalyst and process.
KR970705436A (en) EXHAUST GAS TREATING SYSTEMS
FI83394B (en) FOERFARANDE FOER SELEKTIV AVLAEGSNING AV KVAEVEOXIDER FRAON AVGASER.
ATE26413T1 (en) CATALYST FOR EXHAUST TREATMENT.
DE19782282T1 (en) Selective catalytic reduction to remove nitrogen oxides and associated catalyst bodies
ATE106279T1 (en) SUPPORTED CATALYST FOR THE DECOMPOSITION OF OZONE.
AU1284495A (en) A process for treating nitrogen oxide-containing gas using a cerium zeolite
EP0664149A3 (en) Catalyst for and method of purifying exhaust gas.
ATE146694T1 (en) CATALYST FOR REDUCING NITROGEN OXIDES IN FLUE GAS AND METHOD FOR PRODUCING IT
HUP0100827A2 (en) Method for reducing nitrous oxide in gases and corresponding catalysts
ATE175591T1 (en) CATALYST AND CATALYTIC PROCESS FOR REDUCING NITROGEN OXIDES
DE69711438D1 (en) COMPOSITION FOR THE TREATMENT OF EXHAUST GASES AND THEIR USE
JPS5330995A (en) Catalyst for treating of exhaust gas
JPS5715824A (en) Method for removing nitrogen oxide in waste gas
JPS535094A (en) Regeneration method of denitration catalyst
JPS52103373A (en) Removal of nitrogen oxide in exhaust gas

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties